diff --git a/lib/curl_setup.h b/lib/curl_setup.h
index 291567e42..37be5ae46 100644
--- a/lib/curl_setup.h
+++ b/lib/curl_setup.h
@@ -645,9 +645,7 @@ int netware_init(void);
  * Include macros and defines that should only be processed once.
  */
 
-#ifndef HEADER_CURL_SETUP_ONCE_H
 #include "curl_setup_once.h"
-#endif
 
 /*
  * Definition of our NOP statement Object-like macro